>1j4aB (B:) observed residues (from ATOM records)
tkifayairedekpflkewedahkdveveytdklltpetvalakgadgvvvyqqldyiae
tlqaladngitkmslrnvgvdnidmakakelgfqitnvpvyspnaiaehaaiqaarilrq
dkamdekvarhdlrwaptigrevrdqvvgvvgtghigqvfmqimegfgakvitydifrnp
elekkgyyvdslddlykqadvislhvpdvpanvhmindesiakmkqdvvivnvsrgplvd
tdavirgldsgkifgyamdvyegevgifnedwegkefpdarladliarpnvlvtpktafy
tthavrnmvvkafdnnlelvegkeaetpvkv